143 lines
5.4 KiB
C
Executable File
143 lines
5.4 KiB
C
Executable File
/*
|
|
---------------------------------------------------------------------------
|
|
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
|
|
|
|
LICENSE TERMS
|
|
|
|
The redistribution and use of this software (with or without changes)
|
|
is allowed without the payment of fees or royalties provided that:
|
|
|
|
1. source code distributions include the above copyright notice, this
|
|
list of conditions and the following disclaimer;
|
|
|
|
2. binary distributions include the above copyright notice, this list
|
|
of conditions and the following disclaimer in their documentation;
|
|
|
|
3. the name of the copyright holder is not used to endorse products
|
|
built using this software without specific written permission.
|
|
|
|
DISCLAIMER
|
|
|
|
This software is provided 'as is' with no explicit or implied warranties
|
|
in respect of its properties, including, but not limited to, correctness
|
|
and/or fitness for purpose.
|
|
---------------------------------------------------------------------------
|
|
Issue Date: 20/12/2007
|
|
Changes for ARM 9/9/2010
|
|
*/
|
|
|
|
#ifndef _BRG_ENDIAN_H
|
|
#define _BRG_ENDIAN_H
|
|
|
|
#define IS_BIG_ENDIAN 4321 /* byte 0 is most significant (mc68k) */
|
|
#define IS_LITTLE_ENDIAN 1234 /* byte 0 is least significant (i386) */
|
|
|
|
#if 0
|
|
/* Include files where endian defines and byteswap functions may reside */
|
|
#if defined( __sun )
|
|
# include <sys/isa_defs.h>
|
|
#elif defined( __FreeBSD__ ) || defined( __OpenBSD__ ) || defined( __NetBSD__ )
|
|
# include <sys/endian.h>
|
|
#elif defined( BSD ) && ( BSD >= 199103 ) || defined( __APPLE__ ) || \
|
|
defined( __CYGWIN32__ ) || defined( __DJGPP__ ) || defined( __osf__ )
|
|
# include <machine/endian.h>
|
|
#elif defined( __linux__ ) || defined( __GNUC__ ) || defined( __GNU_LIBRARY__ )
|
|
# if !defined( __MINGW32__ ) && !defined( _AIX )
|
|
# include <endian.h>
|
|
# if !defined( __BEOS__ )
|
|
# include <byteswap.h>
|
|
# endif
|
|
# endif
|
|
#endif
|
|
#endif
|
|
|
|
/* Now attempt to set the define for platform byte order using any */
|
|
/* of the four forms SYMBOL, _SYMBOL, __SYMBOL & __SYMBOL__, which */
|
|
/* seem to encompass most endian symbol definitions */
|
|
|
|
#if defined( BIG_ENDIAN ) && defined( LITTLE_ENDIAN )
|
|
# if defined( BYTE_ORDER ) && BYTE_ORDER == BIG_ENDIAN
|
|
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
|
|
# elif defined( BYTE_ORDER ) && BYTE_ORDER == LITTLE_ENDIAN
|
|
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
|
|
# endif
|
|
#elif defined( BIG_ENDIAN )
|
|
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
|
|
#elif defined( LITTLE_ENDIAN )
|
|
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
|
|
#endif
|
|
|
|
#if defined( _BIG_ENDIAN ) && defined( _LITTLE_ENDIAN )
|
|
# if defined( _BYTE_ORDER ) && _BYTE_ORDER == _BIG_ENDIAN
|
|
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
|
|
# elif defined( _BYTE_ORDER ) && _BYTE_ORDER == _LITTLE_ENDIAN
|
|
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
|
|
# endif
|
|
#elif defined( _BIG_ENDIAN )
|
|
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
|
|
#elif defined( _LITTLE_ENDIAN )
|
|
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
|
|
#endif
|
|
|
|
#if defined( __BIG_ENDIAN ) && defined( __LITTLE_ENDIAN )
|
|
# if defined( __BYTE_ORDER ) && __BYTE_ORDER == __BIG_ENDIAN
|
|
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
|
|
# elif defined( __BYTE_ORDER ) && __BYTE_ORDER == __LITTLE_ENDIAN
|
|
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
|
|
# endif
|
|
#elif defined( __BIG_ENDIAN )
|
|
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
|
|
#elif defined( __LITTLE_ENDIAN )
|
|
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
|
|
#endif
|
|
|
|
#if defined( __BIG_ENDIAN__ ) && defined( __LITTLE_ENDIAN__ )
|
|
# if defined( __BYTE_ORDER__ ) && __BYTE_ORDER__ == __BIG_ENDIAN__
|
|
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
|
|
# elif defined( __BYTE_ORDER__ ) && __BYTE_ORDER__ == __LITTLE_ENDIAN__
|
|
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
|
|
# endif
|
|
#elif defined( __BIG_ENDIAN__ )
|
|
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
|
|
#elif defined( __LITTLE_ENDIAN__ )
|
|
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
|
|
#endif
|
|
|
|
/* if the platform byte order could not be determined, then try to */
|
|
/* set this define using common machine defines */
|
|
#if !defined(PLATFORM_BYTE_ORDER)
|
|
|
|
#if defined( __alpha__ ) || defined( __alpha ) || defined( i386 ) || \
|
|
defined( __i386__ ) || defined( _M_I86 ) || defined( _M_IX86 ) || \
|
|
defined( __OS2__ ) || defined( sun386 ) || defined( __TURBOC__ ) || \
|
|
defined( vax ) || defined( vms ) || defined( VMS ) || \
|
|
defined( __VMS ) || defined( _M_X64 )
|
|
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
|
|
|
|
#elif defined( AMIGA ) || defined( applec ) || defined( __AS400__ ) || \
|
|
defined( _CRAY ) || defined( __hppa ) || defined( __hp9000 ) || \
|
|
defined( ibm370 ) || defined( mc68000 ) || defined( m68k ) || \
|
|
defined( __MRC__ ) || defined( __MVS__ ) || defined( __MWERKS__ ) || \
|
|
defined( sparc ) || defined( __sparc) || defined( SYMANTEC_C ) || \
|
|
defined( __VOS__ ) || defined( __TIGCC__ ) || defined( __TANDEM ) || \
|
|
defined( THINK_C ) || defined( __VMCMS__ ) || defined( _AIX )
|
|
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
|
|
|
|
#elif defined(__arm__)
|
|
# ifdef __BIG_ENDIAN
|
|
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
|
|
# else
|
|
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
|
|
# endif
|
|
#elif 1 /* **** EDIT HERE IF NECESSARY **** */
|
|
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
|
|
#elif 0 /* **** EDIT HERE IF NECESSARY **** */
|
|
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
|
|
#else
|
|
# error Please edit lines 132 or 134 in brg_endian.h to set the platform byte order
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#endif
|